US2843233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window structures
Assignee: S H POMEROY Co Inc
•
Filing: 1955-02-25
•
Granted: 1958-07-15
•
Expires: 1975-02-25
Abstract
No abstract record available.
Inventors
- 👤 William L Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:10
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907091A
Cited
US2051754A
Cited
US2093727A
Cited
US2212221A
Cited
US2604195A
Cited
US2711232A
Cited
US2615539A
Cited
US2746103A
Cited
US2753021A
Cited
US2701395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |